Since 1979, D & D Lock has offered services for automotive, residential, and commercial locksmithing. We have created thousands of Master Key Systems, have supplied and installed all types of hardware ranging from deadbolts to ADA compliant products. Our shop in Wilmington has a service counter for walk-in customers and a showroom with many mounted displays of the hardware and safes we offer. Our warehouse is fully stocked with merchandise from a variety of manufactures. We are conveniently located near many major highways. This allows us to cover a large geographical area very quickly. Our service vehicles are 14' box trucks that are equipped with stock and tools to handle a variety of jobs, as well as their own power source for new construction sites without power.

We have been in Business Since 1979 and are an Active and Proud member of the Massachusetts Locksmith Association - MLA #783